diff options
| -rw-r--r-- | mpm/python/usrp_mpm/periph_manager/n310.py | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/mpm/python/usrp_mpm/periph_manager/n310.py b/mpm/python/usrp_mpm/periph_manager/n310.py index 465e31c06..657d96ae3 100644 --- a/mpm/python/usrp_mpm/periph_manager/n310.py +++ b/mpm/python/usrp_mpm/periph_manager/n310.py @@ -20,6 +20,7 @@ N310 implementation module from __future__ import print_function import os +import copy from six import iteritems from builtins import object from .base import PeriphManagerBase @@ -556,3 +557,69 @@ class n310(PeriphManagerBase): """ return self.mboard_info + def set_mb_eeprom(self, eeprom_vals): + """ + See PeriphManagerBase.set_mb_eeprom() for docs. + """ + self.log.warn("Called set_mb_eeprom(), but not implemented!") + raise NotImplementedError + + def get_db_eeprom(self, dboard_idx): + """ + See PeriphManagerBase.get_db_eeprom() for docs. + """ + try: + dboard = self.dboards[dboard_idx] + except KeyError: + error_msg = "Attempted to access invalid dboard index `{}' " \ + "in get_db_eeprom()!".format(dboard_idx) + self.log.error(error_msg) + raise RuntimeError(error_msg) + db_eeprom_data = copy.copy(dboard.device_info) + if hasattr(dboard, 'get_user_eeprom_data') and \ + callable(dboard.get_user_eeprom_data): + for blob_id, blob in iteritems(dboard.get_user_eeprom_data()): + if blob_id in db_eeprom_data: + self.log.warn("EEPROM user data contains invalid blob ID " \ + "%s", blob_id) + else: + db_eeprom_data[blob_id] = blob + return db_eeprom_data + + def set_db_eeprom(self, dboard_idx, eeprom_data): + """ + Write new EEPROM contents with eeprom_map. + + Arguments: + dboard_idx -- Slot index of dboard + eeprom_data -- Dictionary of EEPROM data to be written. It's up to the + specific device implementation on how to handle it. + """ + try: + dboard = self.dboards[dboard_idx] + except KeyError: + error_msg = "Attempted to access invalid dboard index `{}' " \ + "in set_db_eeprom()!".format(dboard_idx) + self.log.error(error_msg) + raise RuntimeError(error_msg) + if not hasattr(dboard, 'set_user_eeprom_data') or \ + not callable(dboard.set_user_eeprom_data): + error_msg = "Dboard has no set_user_eeprom_data() method!" + self.log.error(error_msg) + raise RuntimeError(error_msg) + safe_db_eeprom_user_data = {} + for blob_id, blob in iteritems(eeprom_data): + if blob_id in dboard.device_info: + error_msg = "Trying to overwrite read-only EEPROM " \ + "entry `{}'!".format(blob_id) + self.log.error(error_msg) + raise RuntimeError(error_msg) + if not isinstance(blob, str) and not isinstance(blob, bytes): + error_msg = "Blob data for ID `{}' is not a " \ + "string!".format(blob_id) + self.log.error(error_msg) + raise RuntimeError(error_msg) + assert isinstance(blob, str) + safe_db_eeprom_user_data[blob_id] = blob.encode('ascii') + dboard.set_user_eeprom_data(safe_db_eeprom_user_data) + |